Analysis

  • max time kernel
    120s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    25/12/2023, 17:15 UTC

General

  • Target

    30172c7f9ba5e03176099250918894c2.exe

  • Size

    453KB

  • MD5

    30172c7f9ba5e03176099250918894c2

  • SHA1

    0f2ede093815f0b7ca07f0997c806d4363db1787

  • SHA256

    231952e0928e7f5303bb1002b94df2128cd0b74df74515f0d02ec18d543f68ee

  • SHA512

    22d563527db91e9178f89268435f493402ef6d9c54883d53bf5b99b8d1b776cc5ccc7c09e6862236feb0141cf9daabb48249ee9b2bc72dbce20ce9496d3a8d2c

  • SSDEEP

    6144:uil6HBYnUtgCAgtZ+t1VpQ444D5e96mt31x9PSAUoEljGQxf3R99q0NGtzHEM:nl6NhPA1fQ444eHtkVjGQzpIB

Score
1/10

Malware Config

Signatures

  • Modifies registry class 2 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\30172c7f9ba5e03176099250918894c2.exe
    "C:\Users\Admin\AppData\Local\Temp\30172c7f9ba5e03176099250918894c2.exe"
    1⤵
    • Modifies registry class
    • Modifies system certificate store
    PID:2400

Network

  • flag-us
    DNS
    sf.symcd.com
    30172c7f9ba5e03176099250918894c2.exe
    Remote address:
    8.8.8.8:53
    Request
    sf.symcd.com
    IN A
    Response
    sf.symcd.com
    IN CNAME
    mpki-ocsp.digicert.com
    mpki-ocsp.digicert.com
    IN CNAME
    fp3011.wpc.2be4.phicdn.net
    fp3011.wpc.2be4.phicdn.net
    IN CNAME
    fp3011.wpc.phicdn.net
    fp3011.wpc.phicdn.net
    IN A
    152.199.19.74
  • flag-us
    DNS
    sf.symcd.com
    30172c7f9ba5e03176099250918894c2.exe
    Remote address:
    8.8.8.8:53
    Request
    sf.symcd.com
    IN A
  • flag-us
    GET
    http://sf.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTSqZMG5M8TA9rdzkbCnNwuMAd5VgQUz5mp6nsm9EvJjo%2FX8AUm7%2BPSp50CEFWY0%2BXocLX1x%2BwEbU%2FRrKs%3D
    30172c7f9ba5e03176099250918894c2.exe
    Remote address:
    152.199.19.74:80
    Request
    GET /MFEwTzBNMEswSTAJBgUrDgMCGgUABBTSqZMG5M8TA9rdzkbCnNwuMAd5VgQUz5mp6nsm9EvJjo%2FX8AUm7%2BPSp50CEFWY0%2BXocLX1x%2BwEbU%2FRrKs%3D HTTP/1.1
    Connection: Keep-Alive
    Accept: */*
    User-Agent: Microsoft-CryptoAPI/6.1
    Host: sf.symcd.com
    Response
    HTTP/1.1 200 OK
    Cache-Control: public, max-age=86400
    Content-Type: application/ocsp-response
    Date: Fri, 29 Dec 2023 01:42:59 GMT
    Server: nginx
    X-Content-Type-Options: nosniff
    X-Frame-Options: SAMEORIGIN
    X-XSS-Protection: 1; mode=block
    Content-Length: 1551
  • flag-us
    DNS
    api.fralimbo.net
    30172c7f9ba5e03176099250918894c2.exe
    Remote address:
    8.8.8.8:53
    Request
    api.fralimbo.net
    IN A
    Response
    api.fralimbo.net
    IN CNAME
    fralimbo.net
    fralimbo.net
    IN A
    8.37.113.163
  • 152.199.19.74:80
    http://sf.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTSqZMG5M8TA9rdzkbCnNwuMAd5VgQUz5mp6nsm9EvJjo%2FX8AUm7%2BPSp50CEFWY0%2BXocLX1x%2BwEbU%2FRrKs%3D
    http
    30172c7f9ba5e03176099250918894c2.exe
    622 B
    4.8kB
    8
    6

    HTTP Request

    GET http://sf.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTSqZMG5M8TA9rdzkbCnNwuMAd5VgQUz5mp6nsm9EvJjo%2FX8AUm7%2BPSp50CEFWY0%2BXocLX1x%2BwEbU%2FRrKs%3D

    HTTP Response

    200
  • 8.37.113.163:80
    api.fralimbo.net
    30172c7f9ba5e03176099250918894c2.exe
    152 B
    3
  • 8.8.8.8:53
    sf.symcd.com
    dns
    30172c7f9ba5e03176099250918894c2.exe
    116 B
    172 B
    2
    1

    DNS Request

    sf.symcd.com

    DNS Request

    sf.symcd.com

    DNS Response

    152.199.19.74

  • 8.8.8.8:53
    api.fralimbo.net
    dns
    30172c7f9ba5e03176099250918894c2.exe
    62 B
    92 B
    1
    1

    DNS Request

    api.fralimbo.net

    DNS Response

    8.37.113.163

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabBB65.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\TarBB97.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • memory/2400-0-0x00000000742F0000-0x000000007489B000-memory.dmp

    Filesize

    5.7MB

  • memory/2400-1-0x00000000742F0000-0x000000007489B000-memory.dmp

    Filesize

    5.7MB

  • memory/2400-2-0x0000000000D00000-0x0000000000D40000-memory.dmp

    Filesize

    256KB

  • memory/2400-58-0x00000000742F0000-0x000000007489B000-memory.dmp

    Filesize

    5.7MB

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